feat: Armarium v1.1.0 — dashboard, auth, 2FA, SMTP, settings, deploy

Dashboard:
- ApexCharts bar chart (income vs fixed costs vs expenses) and donut chart
- KPI cards: income, fixed costs, savings rate with configurable goal
- Greeting with time-of-day and locale-aware date/time display

Authentication & security:
- Email-based login (no username), case-insensitive lookup
- JWT access/refresh tokens with rotation and blacklist
- TOTP 2FA with QR code, backup codes (copy + PDF export)
- 2FA recovery via email code
- Cloudflare Turnstile CAPTCHA on login and register

Email flows:
- Email verification on registration (24h token)
- Password reset flow (15min token, anti-enumeration)
- Brevo SMTP integration with HTML + plaintext email templates
- Notification emails: 2FA recovery, password changed, email changed

Settings page:
- 2FA management (enable/disable, QR, backup codes)
- Active sessions list with per-device revoke
- Data export: ZIP with 6 PDFs via fpdf2
- Notification preferences (3 toggles)
- Danger zone: account deletion with mandatory export + confirmation phrase

UI & layout:
- Sidebar with collapsible/flyout mode, Angular signal-based dropdowns
- Dark mode (class-based), language switcher (DE/FR/IT/EN)
- Mobile-responsive layout with touch-friendly targets
- Roboto font via @fontsource (GDPR-compliant, no Google CDN)
- Pure Tailwind CSS v3

Infrastructure:
- Forgejo Actions CI/CD pipeline (auto-deploy on push to main)
- Gunicorn + Nginx + PostgreSQL production setup
- Rate limiting, HSTS, secure cookies, CSRF protection

backend/requirements.txt

@@ -0,0 +1,19 @@
+asgiref==3.11.1
+Django==6.0.4
+django-cors-headers==4.9.0
+djangorestframework==3.17.1
+djangorestframework_simplejwt==5.5.1
+gunicorn==25.3.0
+icalendar==7.0.3
+packaging==26.0
+pillow==12.2.0
+psycopg2-binary==2.9.11
+PyJWT==2.12.1
+python-dateutil==2.9.0.post0
+pyotp==2.9.0
+python-dotenv==1.2.2
+six==1.17.0
+sqlparse==0.5.5
+typing_extensions==4.15.0
+tzdata==2026.1
+fpdf2==2.8.7